LY8021

Size(尺寸)  :1-1/8" x 41.8×452×630or$39.8

Diameter(规格) :1-1/8" Threadless Integrated Headset

Height(组配高度)  :17mm+1mm 

Weight(重量 ) :119g 

Bearings():$41.8×30.2×7H×45°×45° x 1pcs 

$52×640×8H×45° x45°x1pcs 

360 degree rotation, compatible with many types of bicycles such as mountain bikes, mountain bikes, fixed wheel bikes....